package dao;

import dao.BaseHibernateDAO;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;

import bean.AtcLog;
import bean.UserSnapAtc;

/**
 * A data access object (DAO) providing persistence and search support for
 * UserSnapAtc entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see bean.UserSnapAtc
 * @author MyEclipse Persistence Tools
 */

public class UserSnapAtcDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(UserSnapAtcDAO.class);

	// property constants

	public void save(UserSnapAtc transientInstance) {
		Transaction ts=null;
		log.debug("saving UserSnapAtc instance");
		try {
			ts=getSession().beginTransaction();
			getSession().save(transientInstance);
			log.debug("save successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}
	public void update(AtcLog transientInstance) {
		Transaction ts=null;
		log.debug("saving User instance");
		try {
			ts=getSession().beginTransaction();
			getSession().update(transientInstance);
			log.debug("save successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("save failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public void delete(UserSnapAtc persistentInstance) {
		Transaction ts=null;
		log.debug("deleting UserSnapAtc instance");
		try {
			ts=getSession().beginTransaction();
			getSession().delete(persistentInstance);
			log.debug("delete successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("delete failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public UserSnapAtc findById(bean.UserSnapAtcId id) {
		Transaction ts=null;
		UserSnapAtc instance=null;
		log.debug("getting UserSnapAtc instance with id: " + id);
		try {
			ts=getSession().beginTransaction();
			instance = (UserSnapAtc) getSession().get(
					"bean.UserSnapAtc", id);
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("get failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return instance;
	}

	public List findByExample(UserSnapAtc instance) {
		Transaction ts=null;
		List results=null;
		log.debug("finding UserSnapAtc instance by example");
		try {
			ts=getSession().beginTransaction();
			results = getSession().createCriteria("bean.UserSnapAtc").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find by example failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public List findByProperty(String propertyName, Object value) {
		Transaction ts=null;
		List results=null;
		log.debug("finding UserSnapAtc instance with property: " + propertyName
				+ ", value: " + value);
		try {
			ts=getSession().beginTransaction();
			String queryString = "from UserSnapAtc as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			results=queryObject.list();
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find by property name failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public List findAll() {
		Transaction ts=null;
		List results=null;
		log.debug("finding all UserSnapAtc instances");
		try {
			ts=getSession().beginTransaction();
			String queryString = "from UserSnapAtc";
			Query queryObject = getSession().createQuery(queryString);
			results=queryObject.list();
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("find all failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return results;
	}

	public UserSnapAtc merge(UserSnapAtc detachedInstance) {
		Transaction ts=null;
		UserSnapAtc result=null;
		log.debug("merging UserSnapAtc instance");
		try {
			ts=getSession().beginTransaction();
			result = (UserSnapAtc) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("merge failed", re);
			throw re;
		}finally{
			closeSession();
		}
		return result;
	}

	public void attachDirty(UserSnapAtc instance) {
		Transaction ts=null;
		log.debug("attaching dirty UserSnapAtc instance");
		try {
			ts=getSession().beginTransaction();
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("attach failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}

	public void attachClean(UserSnapAtc instance) {
		Transaction ts=null;
		log.debug("attaching clean UserSnapAtc instance");
		try {
			ts=getSession().beginTransaction();
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
			ts.commit();
		} catch (RuntimeException re) {
			if(ts!=null)ts.rollback();
			log.error("attach failed", re);
			throw re;
		}finally{
			closeSession();
		}
	}
}